Arm, cubital fossa & forearm FITB&TF

Question 1

The __________ is the longest bone in the upper arm, extending from the shoulder to the elbow.

Answer 1

humerus

Question 2

The __________ nerve innervates the biceps brachii and brachialis muscles.

Answer 2

musculocutaneous

Question 3

The brachial artery bifurcates into the __________ and __________ arteries at the elbow.

Answer 3

radial, ulnar

Question 4

The __________ muscle is responsible for elbow extension and is innervated by the radial nerve.

Answer 4

triceps brachii

Question 5

The __________ nerve provides sensation to the lateral aspect of the forearm and innervates the anterior compartment muscles of the arm.

Answer 5

musculocutaneous

Question 6

The __________ and __________ are the two bones of the forearm that work together to allow rotation of the hand.

Answer 6

radius, ulna

Question 7

The __________ vein is a major superficial vein that runs along the medial aspect of the arm and forearm.

Answer 7

basilic

Question 8

The __________ nerve innervates the muscles in the posterior compartment of the arm and forearm, including the triceps brachii.

Answer 8

radial

Question 9

The __________ artery supplies blood to the muscles of the posterior compartment of the arm.

Answer 9

deep brachial

Question 10

The __________ muscle is responsible for flexing the elbow and supinating the forearm.

Answer 10

biceps brachii

Question 11

The __________ nerve provides sensation to the medial aspect of the hand and digits 4 and 5.

Answer 11

ulnar

Question 12

The __________ nerve innervates the flexor muscles of the forearm, except for the flexor carpi ulnaris and part of the flexor digitorum profundus.

Answer 12

median

Question 13

The __________ is a major artery that supplies oxygenated blood to the muscles and tissues of the arm and terminates into the radial and ulnar arteries at the elbow.

Answer 13

brachial

Question 14

The __________ muscle originates from the coracoid process and inserts on the humerus, assisting in flexion and stabilization of the arm.

Answer 14

coracobrachialis

Question 15

The __________ nerve is formed by the anterior rami of spinal nerves C5 to T1 and provides motor and sensory innervation to the arm.

Answer 15

brachial plexus

Question 16

The cubital fossa is also known as the __________ fossa.

Answer 16

antecubital

Question 17

The superior border of the cubital fossa is formed by an imaginary line between the __________ epicondyles of the humerus.

Answer 17

medial and lateral

Question 18

The __________ nerve runs close to the brachioradialis muscle and splits into its deep and superficial branches within the cubital fossa.

Answer 18

radial

Question 19

The __________ tendon is the most prominent structure in the cubital fossa and attaches to the radial tuberosity.

Answer 19

biceps

Question 20

The __________ artery bifurcates into the radial and ulnar arteries at the apex of the cubital fossa.

Answer 20

brachial

Question 21

The median nerve exits the cubital fossa between the two heads of the __________ muscle.

Answer 21

pronator teres

Question 22

The floor of the cubital fossa is formed proximally by the __________ muscle and distally by the supinator muscle.

Answer 22

brachialis

Question 23

The roof of the cubital fossa is formed by the skin, fascia, and the __________ aponeurosis.

Answer 23

bicipital

Question 24

The __________ vein is a common site for venipuncture and is located within the roof of the cubital fossa.

Answer 24

median cubital

Question 25

The lateral border of the cubital fossa is formed by the __________ muscle.

Answer 25

brachioradialis

Question 26

The elbow joint is a __________ joint that allows flexion and extension of the forearm.

Answer 26

hinge

Question 27

The elbow joint is formed by the articulation of the __________ with the radius and ulna.

Answer 27

humerus

Question 28

The __________ nerve is at risk of injury during a fracture of the radial head.

Answer 28

radial

Question 29

The __________ muscle is the primary flexor of the elbow joint.

Answer 29

brachialis

Question 30

The __________ is a bony projection on the ulna that fits into the olecranon fossa of the humerus during elbow extension.

Answer 30

olecranon

Question 31

The __________ nerve innervates the triceps brachii, which is responsible for elbow extension.

Answer 31

radial

Question 32

The __________ joint is responsible for the rotation of the forearm, specifically pronation and supination.

Answer 32

proximal radioulnar

Question 33

The __________ is a bony landmark on the medial side of the elbow that serves as an attachment point for several muscles.

Answer 33

medial epicondyle

Question 34

The __________ nerve passes through the cubital tunnel and can be palpated on the medial side of the elbow.

Answer 34

ulnar

Question 35

The __________ is a shallow depression on the posterior aspect of the humerus that accommodates the olecranon during full elbow extension.

Answer 35

olecranon fossa

Question 36

The forearm consists of two bones: the __________ and the __________.

Answer 36

radius, ulna

Question 37

The __________ is the lateral bone of the forearm and plays a major role in the rotation of the hand.

Answer 37

radius

Question 38

The __________ is the medial bone of the forearm and forms the hinge joint with the humerus at the elbow.

Answer 38

ulna

Question 39

The __________ muscle is responsible for supination of the forearm and is innervated by the radial nerve.

Answer 39

supinator

Question 40

The __________ nerve innervates the flexor muscles of the forearm, including the flexor digitorum superficialis and pronator teres.

Answer 40

median

Question 41

The __________ nerve innervates the extensor muscles of the forearm and is responsible for wrist and finger extension.

Answer 41

radial

Question 42

The __________ artery is the larger terminal branch of the brachial artery and forms the deep palmar arch in the hand.

Answer 42

ulnar

Question 43

The __________ artery runs along the lateral side of the forearm and forms the superficial palmar arch.

Answer 43

radial

Question 44

The __________ muscle is responsible for flexing the wrist and is innervated by the median nerve.

Answer 44

flexor carpi radialis

Question 45

The __________ muscle is responsible for extending the wrist and is innervated by the radial nerve.

Answer 45

extensor carpi radialis

Question 46

The __________ nerve provides sensation to the lateral aspect of the forearm and hand.

Answer 46

radial

Question 47

The __________ vein is a common site for venipuncture and is located on the anterior aspect of the elbow.

Answer 47

median cubital

Question 48

The __________ muscle is responsible for pronation of the forearm and is innervated by the median nerve.

Answer 48

pronator teres

Question 49

The __________ muscle originates from the lateral epicondyle of the humerus and inserts on the radius, assisting in wrist extension.

Answer 49

extensor carpi radialis longus

Question 50

Is the humerus the longest bone in the upper limb?

Answer 50

True

Question 51

Are the radius and ulna both medial bones in the forearm?

Answer 51

False ## Footnote The radius is lateral, and the ulna is medial.

Question 52

Where does the biceps brachii muscle insert?

Answer 52

Radial tuberosity ## Footnote The biceps brachii also has attachments to the forearm fascia.

Question 53

Is the triceps brachii muscle the primary flexor of the elbow joint?

Answer 53

False ## Footnote The triceps brachii is the primary extensor of the elbow joint.

Question 54

What is the main blood supply to the upper limb?

Answer 54

Brachial artery

Question 55

Does the median nerve innervate the biceps brachii muscle?

Answer 55

False ## Footnote The biceps brachii is innervated by the musculocutaneous nerve.

Question 56

Does the ulnar nerve pass through the cubital tunnel?

Answer 56

True

Question 57

What nerve innervates the extensor muscles of the forearm?

Answer 57

Radial nerve

Question 58

Is the brachioradialis muscle innervated by the median nerve?

Answer 58

False ## Footnote The brachioradialis is innervated by the radial nerve.

Question 59

Which nerve supplies the deltoid muscle?

Answer 59

Axillary nerve

Question 60

Does the radial artery give off the profunda brachii artery?

Answer 60

False ## Footnote The profunda brachii artery is a branch of the brachial artery.

Question 61

Which artery is larger, the ulnar artery or the radial artery?

Answer 61

Radial artery

Question 62

Which nerves innervate the coracobrachialis and brachialis muscles?

Answer 62

Musculocutaneous nerve

Question 63

Does the median nerve pass through the carpal tunnel?

Answer 63

True

Question 64

Is the radial nerve responsible for sensation on the dorsal aspect of the hand?

Answer 64

True

Question 65

Is the cubital fossa located on the posterior aspect of the elbow joint?

Answer 65

False ## Footnote It is located on the anterior aspect of the elbow joint.

Question 66

Is the lateral border of the cubital fossa formed by the brachioradialis muscle?

Answer 66

True

Question 67

Where does the brachial artery bifurcate?

Answer 67

At the apex of the cubital fossa

Question 68

Does the median nerve exit the cubital fossa by passing between the two heads of the pronator teres muscle?

Answer 68

True

Question 69

Is the radial nerve a major content of the cubital fossa?

Answer 69

False ## Footnote The radial nerve is in the vicinity but not a major content of the cubital fossa.

Question 70

Does the bicipital aponeurosis form part of the roof of the cubital fossa?

Answer 70

True

Question 71

What forms the floor of the cubital fossa?

Answer 71

Brachialis muscle proximally and supinator muscle distally

Question 72

Is the median cubital vein located within the roof of the cubital fossa?

Answer 72

True

Question 73

Does the ulnar nerve pass through the cubital fossa?

Answer 73

False ## Footnote The ulnar nerve does not pass through the cubital fossa.

Question 74

Does the cubital fossa contain the radial, ulnar, and median nerves?

Answer 74

False ## Footnote It contains the median nerve and brachial artery, but not the ulnar or radial nerves.

Question 75

Is the elbow joint a hinge joint?

Answer 75

True

Question 76

Can the elbow joint perform abduction and adduction?

Answer 76

False ## Footnote The elbow joint is limited to flexion, extension, supination, and pronation.

Question 77

What bones articulate at the elbow joint?

Answer 77

Humerus, radius, and ulna

Question 78

Does the radial nerve innervate the muscles responsible for elbow flexion?

Answer 78

False ## Footnote The radial nerve innervates the triceps brachii, which is responsible for elbow extension.

Question 79

Does the ulnar nerve contribute to the innervation of the elbow joint?

Answer 79

True

Question 80

Does the brachial artery bifurcate within the elbow joint?

Answer 80

True

Question 81

Is the elbow joint a ball-and-socket joint?

Answer 81

False ## Footnote The elbow joint is a hinge joint.

Question 82

Is the biceps brachii the primary muscle for elbow extension?

Answer 82

False ## Footnote The triceps brachii is responsible for elbow extension.

Question 83

Does the elbow joint include the proximal radioulnar joint?

Answer 83

True

Question 84

Does the median nerve provide significant innervation to the muscles of the elbow joint?

Answer 84

False ## Footnote The median nerve primarily innervates muscles in the forearm and hand.

Question 85

Does the forearm consist of two bones?

Answer 85

True

Question 86

Does the radial nerve supply the extensor carpi ulnaris muscle?

Answer 86

True

Question 87

Does the ulnar nerve innervate the brachioradialis muscle?

Answer 87

False ## Footnote The brachioradialis is innervated by the radial nerve.

Question 88

Which nerve provides motor innervation to the pronator teres muscle?

Answer 88

Median nerve

Question 89

Does the radial artery form the deep palmar arch of the hand?

Answer 89

False ## Footnote The deep palmar arch is primarily formed by the ulnar artery.

Question 90

Is the flexor digitorum superficialis muscle innervated by the ulnar nerve?

Answer 90

False ## Footnote It is innervated by the median nerve.

Question 91

Is the supinator muscle innervated by the radial nerve?

Answer 91

True

Question 92

Does the ulnar nerve pass through the cubital tunnel and innervate the intrinsic muscles of the hand?

Answer 92

True

Question 93

Is the brachioradialis muscle located in the anterior compartment of the forearm?

Answer 93

False ## Footnote It is located in the posterior compartment.

Question 94

Does the median nerve innervate the extensor muscles of the forearm?

Answer 94

False ## Footnote The radial nerve innervates the extensor muscles.

Question 95

Is the ulnar artery larger than the radial artery?

Answer 95

False ## Footnote The radial artery is usually larger.

Question 96

Is the pronator quadratus muscle innervated by the median nerve?

Answer 96

True

Question 97

Is the anconeus muscle supplied by the ulnar nerve?

Answer 97

False ## Footnote It is supplied by the radial nerve.

Question 98

Does the deep branch of the radial nerve innervate the extensor digitorum muscle?

Answer 98

True